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Registered
Join Date: Apr 2007
Location: Seattle
Posts: 3,032
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Exhaust stud jig for Marks 930 fund
I have a jig for drilling out broken exhaust studs that I'd like to sell for $100.
All proceeds will go directly to Marks 930-a-thon. This will work on all Porsche heads as far as I know. It was made by Pelican member Quiet Boom and it worked great for me.
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81 Pacific Blue 930 Euro coupe slicktop on a strict diet, Rarlyl8 headers, Blowzilla turbo, Tial waste gate, Full bay I/C, Home made center out exhaust, Leask WUR, MSD 6AL, PLX wideband Wevo shifter, LSD. Next up, Cams, Heads and port work |
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04-22-2014, 09:36 AM
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Join Date: Jul 2006
Location: S. Florida
Posts: 7,249
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exhaust stud repair
I'll take it! Hopefully no one beat me to it.
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04-22-2014, 10:03 AM
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Location: Seattle
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Crap. I'm sorry Jim I just sold it on the f/s side
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81 Pacific Blue 930 Euro coupe slicktop on a strict diet, Rarlyl8 headers, Blowzilla turbo, Tial waste gate, Full bay I/C, Home made center out exhaust, Leask WUR, MSD 6AL, PLX wideband Wevo shifter, LSD. Next up, Cams, Heads and port work |
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04-22-2014, 10:16 AM
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Join Date: Jul 2006
Location: S. Florida
Posts: 7,249
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Oh well.. it was worth a try, thanks.
I put new stainless exhaust port studs in the heads I just installed on my motor but I broke one rusty steel exhaust port stud on my old heads while trying to remove them. I got some of them out but stopped and left the rest there when one broke. I'll be selling my god condition original '87 930 heads eventually rather than store them and I want to get the one flush broken exhaust stud out before that. If anybody has one of those exhaust stud removal drilling jigs they'd loan me I'd really appreciate it and definately return it promptly. thanks, Jim |
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04-22-2014, 10:33 AM
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Join Date: Apr 2007
Location: Seattle
Posts: 3,032
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Only one? I broke 9
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81 Pacific Blue 930 Euro coupe slicktop on a strict diet, Rarlyl8 headers, Blowzilla turbo, Tial waste gate, Full bay I/C, Home made center out exhaust, Leask WUR, MSD 6AL, PLX wideband Wevo shifter, LSD. Next up, Cams, Heads and port work |
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04-22-2014, 10:35 PM
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Banned
Join Date: Nov 2007
Location: Rockwall, Texas
Posts: 8,559
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Quote:
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04-22-2014, 10:41 PM
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Join Date: Dec 2009
Posts: 258
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I'm putting headers on my 930 this week, and I was happily surprised that all 12 nuts came off without breaking a single stud. I did not use a torch, but I did give them a shot of penetrant once a day for a week.
Sometimes you get lucky... SR 86 930 |
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04-23-2014, 04:56 AM
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Join Date: Jul 2006
Location: S. Florida
Posts: 7,249
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When I broke the stud the head was on a work bench with everything removed accept for the exhaust studs. I was trying to remove them too. Some screwed out but when they've been there a while some of them like to stay there.
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04-23-2014, 06:18 AM
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When I am replacing studs of a questionable nature as far as age or seized potential I shrink it first. Heating/cooling the stud many times. Somewhat counter intuitive. Do not over heat is the rule (meaning not to anywhere near cherry red, maybe somewhere around 400-500F).
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04-27-2014, 06:28 PM
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